Oil burner



J. F. RYAN OIL BURNER Feb. 20, 1934.

Filed Jan. 13. 1952 2 Sheets-Sheet l Feb. 20, 1934. J 5 RYAN 1,947,741

OIL BURNER Filed Jan. 13, 1932 2 Sheets-Sheet 2 fii F 6 A flomeyPatented Feb. 20, 1934 UNITED STATES PATENT OFFICE 5 Claims.

This invention relates to an oil burner which is intended particularlyfor use in stoves and furnaces, and has for some of its objects toprovide,

. in a manner as hereinafter set forth, a burner of this character whichwill be simple in construction, strong, durable, and efficient andreliable in use, and which may be manufactured at low cost.

All of the foregoing and still further objects and advantages of theinvention will become apparent from a study of the followingspecification, taken in connection with the accompanying drawingswherein like characters of reference designate like parts throughout theseveral views and wherein:-

Figure l is a view in side elevation of an oil burner constructed inaccordance with the present invention.

Fig. 2 is a transverse vertical sectional view taken approximately onthe line 2-2 of Fig. 1 looking in the direction of the arrows.

Fig. 3 is a vertical longitudinal sectional view taken approximately onthe line 3-3'of Fig. '2 looking in the direction of the arrows.

Fig. 4 is a horizontal sectional view taken approximately on the line4-4 of Fig. 3 looking in the direction of the arrows.

Fig. 5 is a bottom plan view of the hood.

Fig. 6 is a plan view of the bottom of the diffusing element.

Referring now to the drawings in detail, it will be seen that theembodiment of the invention illustrated comprises a firepot 1 ofsubstantially rectangular form which is open at its top and is providedwith series of air inlet openings 2 in its side walls the openings 2being spaced above the bottom 3 of the firepot 1.

The bowl 1 is supported in vertically adjustable manner by thesupporting stand generally designated 4 which comprises a base 5 havinga standard in the form of a vertically disposed socket 6. The base 5 isequipped with leveling bolts '7 which are threaded vertically throughthe base. The socket 6 is adapted to receive slidably and adjustably avertical bar 8 having a vertical slot 9 opening through its upper end,in which is accommodated a clamping bolt 10 projecting from one of thelongitudinal walls of the firepot 1 through the medium of which thefirepot maybe clamped in different positions of elevation on the bar 8.

A set screw 11 is threaded through the wall of the socket 6 so as toengage the bar 8 for securing it at different elevations in the socket.

Fuel supply pipes 12 leading from a suitable f el supply, have one endanchored in openings provided therefor in the bottom 3 or the firepot 1.

rtherein a substantially oval opening 22 in verti- Vertical tubes 13 ofsmaller diameter are threaded into the same ends of the pipes 12 andrise therefrom in the firepot 1 to a level below the air inlet holes 2.Threadedly mounted on the upper ends of the tubes 13 are spreader heads14 over which Q the fuel oil flows by gravity in a film and iscompletely vaporized. An overflow pipe 15 extends into the firepot 1through and above the bottom of said firepot as seen in Fig. 3.

Removably mounted by resting on the top of the firepot 1 is a gasdiffusing plate 16 having integral lugs 17 depending from its lower sideinto the firepot l. for engagement with the side walls of the firepotfor retaining the same against relative horizontal sliding movement. Thedifiusing plate 16 conforms substantially in plan to that of the firepot1, and is provided with a centrally disposed, substantially oval opening18. The lower side or the plate 16 has formed therein a series ofgrooves 19 radiating from the opening 18 76 to the outer edge of theplate.

Removably mounted by resting on the gas diffusing plate 16 is a heatintensifying hood 20 having a comparatively thick top 21 whichhas 0 8cal alinement with the opening 18 in the plate 16.

Integral tapered vertical ribs 23 are formed on the inside of the sideand end walls of said hood. The ribs 23 which are on the side walls ofthe hood 20, are provided with horizontal extensions 24 at their upperends for resting upon the top of the plate 16 for supporting the hood onthe spreader in vertically spaced relation thereto.

The ribs 23 being disposed between the plate 9 16 and theportion of thehood prevent horizontal movement of the hood relative to the spreaderand maintain the walls of the hood spaced from the diffusing plate 16and the flrepot 1. Through the medium of the supporting stand 4, theburner may be expeditiously mounted in position in a stove or furnace orin any other desired place where the burner may be used. The burner isadapted to use crude oil of low-grade and price. The fir'epot 1 isprovided with the spaced vertical guides 25 on one longitudinal sidebetween which the bar 8 is slidably adjustable.

The reference character A designates a conventional furnace or stovefire pot and B a filler plate which rests on the furnace or stove firepot and on the top of the hood 20. It will be noted that the outersurface of the raised or thickened portion 21 of the top of the hood 20is inclined, whereby to facilitate jamming of the filler plate 13 inpositionbetween the stove firepot and the hood, thereby providing asubstantially leakproof joint between said filler plate and hood, sothat all air passing through the furnace or stove is required to passthrough the burner.

When in operation air enters the firepot 1 thru the series of openings2. Air also passes upwardly between the skirt of the hood and thefirepot and through the grooves 19 in the underside of the top of theplate 16 and between the top of the plate 16 and the top of the hood.This is clearly indicated by the arrows in Figs. 2 and 3 of thedrawings.

In this way, air is addedto the burning gasesoil burner constructed inaccordance with the present invention will be readily understood, andalthough the preferred embodiment of the invention is as illustrated anddescribed, it is to be understood that changes in the details ofconstruction, and in the combination and arrangement of the severalparts, may be resorted to which will fall within the scope of theinvention as claimed.

While the burner illustrated in the drawings is shown of substantiallyrectangular plan, the same may be obviously of any other desired shape,such as square or circular.

Having thus described my invention, what I claim as new i v 1. A burnercomprising a firepot open at its top, fuel supply conduits extendinginto the firepot through the bottom of said firepot and projecting abovethe bottom, spreader heads on the upper ends of the fuel supplyconduits, the firepot having a plurality of air inlet openings in itswalls, a diffusing plate removably mounted on the top of the firepot,said diffusing plate having an opening therein, a hood removably mountedon'the top of the diffusing plate in vertically spaced relation thereto,said hood depending over the diffusing plate and over the firepot andin,

spaced relation to said firepot and having an opening in alignment withthe opening in the diffusing plate, and means for supporting saidfirepot.

2. A burner comprising a firepot open at its top and having a pluralityof air inlet openings in its walls, fuel supply conduits connected withthe firepot and extending thereinto, spreader heads in the firepot onthe conduits, a diffusing plate removably mounted on top of the firepotand having an opening therein communicating with the firepot, saiddiffusing plate further having a plurality of grooves in its lower sideextending from the opening to the outer edges thereof, lugs dependingfrom the lower side of the diffusing plate into the firepot forengagement with said firepot in a manner tn retain the diffusing plateagainst horizontal movement on the firepot, a hood removably mounted onthe diffusing plate, said hood having an opening therein in verticalalinement with the opening in the spreader plate and including a top anda skirt portion depending from the top and surrounding the diffusingplate and the firepot, ribs on the interior of the skirt portionengageable with the diffusing plate for maintaining said skirt portionin spaced relation to the diffusing plate, and horizontal extensions oncertain of the ribs extending beneath the top portion of the hood andengageable on top of the diffusing plate for maintaining the top of thehood in spaced relation to the diffusing plate.

3. A burner comprising a firepot open at its top and having a pluralityof air inlet openings in its walls, fuel supply conduits connected withthe firepot and extending thereinto, spreader heads in the firepot onthe conduits, a diffusing plate removably mounted on top of the firepotand having an opening therein communicating with the firepot, saiddiffusing plate further having a plurality of grooves in its lower sideextending from the opening to the outer edges thereof, lugs dependingfrom the lower side of the diffusing plate into the firepot forengagement with said firepot in a manner to retain the diffusing plateagainst horizontal movement on the firepot, a hood removably mounted onthe diffusing plate, said hood having an opening therein in verticalalinement with the opening in the diffusing plate and including a topanda skirt portion depending from the top and surrounding the diffusingplate and the firepot, ribs on the interior of the skirt portionengageable with the diffusing plate for maintaining said skirt portioninspaced relation to the diffusing plate, horizontal extensions oncertain of the ribs extending beneath the top portion of the hood andengageable on top of the diffusing plate for maintaining the top of thehood in spaced relation to the diffusing plate, an overflow conduitconnected with the firepot, and means for adjustably supporting thefirepot in diffusing elevated positions.

4. A burner comprising a firepot open at its top having a plurality ofair inlet openings in its walls, fuel supply conduits connected with thefirepot and extending thereinto, spreader heads in the firepot on theupper ends of the conduits, a diffusing plate removably mounted on thetop of the firepot and having an opening therein com- Inunicating withthe firepot, said diffusing plate further having a plurality of groovesin its lower side extending radially from the opening to the outer edgesthereof, lugs depending from the lower side of the diffusing plate intothe firepot for engagement with said firepot in a manner to retain thediffusing plate against horizontal movement on the firepot, and a hoodremovably mounted on the diffusing plate, and partly surrounding thediffusing plate and firepot;

5. A burner comprising a firepot open at its top having a pl'urality ofair inlet openings in its walls, fuel supply conduits connected with thefirepot and extending thereinto, spreader heads in the firepot on theupper ends of the conduits, a diffusing plate removably mounted on thetop of the firepot, said diffusing plate further having a plurality ofgrooves in its lower side extending radially from the opening to theouter edges thereof, lugs depending from the lower side of the diffusingplate into the firepot for engagement with said firepot in a manner toretain the diffusing plate against horizontal movement on the firepot,and a hood removably mounted on the diffusing plate, and partlysurrounding the diffusing plate and firepot, and means on the undersideand on the inner surface of the side walls of the hood for spacing thehood from the top of the diffusing plate and the sides of the firepot,respectively.

, JOHN F. RYAN.

